1
6 marks
Study Figure 2a
Figure 2a
Relative global ice volume over the last 450000 years
Explain the role of Milankovitch cycles in causing variations in the relative global ice volume.
(6)
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Climate Change & Glaciated Landscapes (Edexcel A Level Geography): Exam Questions
Exam code: 9GE0
2 hours11 questions
2
6 marks
Study Figure 2b in the Resource Booklet.
Figure 2b
The distribution of permafrost and mean annual air temperature across Canada
Explain the role of mean annual air temperature in influencing the distribution of permafrost across Canada.
(6)
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3
8 marks
Explain the role of glacial and periglacial landscapes in the maintenance of the water cycle.
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4
6 marks
Study Figure 2b.
Explain the role of feedback in changing the size of ice sheets and sea ice.
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5
8 marks
Explain the role of melting and refreezing cycles in forming distinctive periglacial landforms.
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6
6 marks
Study Figure 1.
Explain how the periglacial landform shown was formed.
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7
6 marks
Study Figure 1.
Explain how the event shown can cause short-term climate change.
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8
6 marks
Study Figure 1.
Explain how the orbital changes shown can cause long-term climate change.
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1
20 marks
Evaluate the view that frost action is the most important process shaping periglacial landscapes.
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2
20 marks
Evaluate the view that positive feedback mechanisms are the most important factor controlling the scale of climate change.
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3
20 marks
Evaluate the view that astronomical processes are the most important cause of long-term climate change.
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